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Blinking Brackets

KS3 Numeracy Year 8
This unit is part of Around ARE Algebra Through Numeracy Problem Solving and Above ARE Algebra Through Numeracy Problem Solving

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Objectives

KS3 Programme of Study statements

  • Use conventional notation for the priority of operations, including brackets.
  • Use and interpret algebraic notation.
  • Use conventional notation for the priority of operations, including brackets.
  • Substitute values in expressions.
  • Manipulate algebraic expressions to maintain equivalence by taking out common factors and multiplying a single term over a bracket.
  • Use algebra to generalise the structure of arithmetic, including to formulate mathematical relationships.
  • Simplify and manipulate algebraic expressions to maintain equivalence by taking out common factors and multiplying a single term over a bracket.

Lesson Planning

Numeracy and Algebra
Understand the action of expanding brackets (involving number only calculations, and then algebraic expressions), practice adding, subtracting and multiplying positive and negative integers.

Algebra and problem solving
Investigation: Blinking Brackets (including using brackets correctly, working with consecutive integers; adding, subtracting and multiplying positive and negative integers; substitution into expressions; using trial and improvement to find solutions, solving problems using logical reasoning; generalising).

Algebra and problem solving
Continuation of investigation: Blinking Brackets (including using brackets correctly; working with consecutive integers; adding, subtracting and multiplying positive and negative integers, substitution into expressions, using trial and improvement to find solutions, simplifying expressions, solving problems using logical reasoning; generalizing).

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